Filter-Optical accessory used to cut out certain wavelengths of light and pass others: consists of transparent medium and coated or dyed with material that selectively absorbs certain colors.
Zoom-lens: type of optical instrument in which focal length or strength of the optic may be varied without substantial change in focus.
Lens-Transparent material shaped to focus light in order form an i
Image-Visible product of a system capturing and recording a representation of a subject based on the energy radiation emitted by or reflected from it.
Aperture-usually circular, that limits the quantity of light that can enter an optical instrument.
Shutter- Device which controls the time of exposure of a light-sensitive material or detector.
Exposure-Process of allowing light to reach light-sensitive material to create
latent image: by either opening shutter to expose film or
illuminating dark subject with flash of light or energy.
Depth of field-Measure of zone or distance over which any object in front of lens will
appear acceptably sharp: it lies in front of and behind the plane of
best focus
Focal length-For SIMPLE LENS: distance between centre of lens and sharp image projected by it.
F-stop-the measure of the aperture setting on a lens.
On this camera there is a mode dial, power switch, flash button, main dial, shutter button, red-eye reduction lamp, self timer lamp, grip,Mirror, Contacts, lens mount, Lens lock pin, Built in flah, AF-assist beam, EF lens mount index, EF-s lensmount index,Flash-sync contacts, Hot shoe, Strap mount , microphone, Terminal cover, Lens release button, Remote control terminal, Digital terminal,HDMI mini out terminal, Body cap
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